The Average Salinity of the World Ocean Is About

question 44

Multiple Choice

The average salinity of the world ocean is about .

• A) 52%
• B) 35%
• C) 21.5%
• D) 3.5%

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Definitions:

Reliability

The consistency of a test.

Validity

How well a test measures what it says it does.

Predictive Validity

The extent to which a score on a scale or test predicts future performance on a related outcome.

Concurrent Validity

A measure of how well a particular test correlates with a previously validated measure taken at the same time.